Shoe machine



March 6, 1928.

' I A. HADI sacs MACHINE 2 Sheets- Shoet 1 Filed Feb. e, 1926 Ma ch6,1928. 1,661,662

A-HAD SHOE MACHINE Filed Feb.6. 1926 2 Sheets-Shoot 2 gwuentoz flZz"Hall. Y

Patented Mar. 6, 1928.

jfjuN T n STATES ALI HADI, or nnrnolr, MICHIGAN.

110B MACHINE.

Application filed February This invention relates to new and usefulimprovements in shoe machines and more particularly to a machine forcutting or trimming the edge ofthe shoe sole.

With the machines now in use, it is necessary' to change the cutter fordifferent kinds of work and the principal object of my invention is toprovide a machine employing a plurality of cutters mounted on a rotatingl carriage .and whereby the desired cutter may be instantly brought intocutting position by simply rotating the carriage a fraction of arevolution as required. In the accompanying drawings:

Figure 1 is a side elevation of a shoe machine embodying myimprovements.

Figure 2 is a similar view, showing the drive shaft in extendedposition.

Figure 3 is an end view of Figure 1.

Figure 4 is a vertical transverse section, taken on line 4-4 of Figure1.

Figure 5 is a fragmentary longitudinal section of the rotating carriageand associated parts.

Figure 6 is a horizontal section taken on line 6-6 of Figure 2, andFigure 7 is a vertical transverse section taken on line 7-? of Figure 2.

Figure 8 is a section on the line 88 of 30 Figure 2.

Referring to the drawings for a more par ticular description of theinvention; A, designates the supporting frame, B the drive shaft, C thedrive pulley, and D, the rotating carriage.

In carrying out my invention I provide a second shaft 1, which ismounted in the frame A below the drive shaft and held in stationaryposition by the locking member 2. The rotating carriage D is keyed tothe shaft 1 and carries a plurality of cutters 3, 4, 5, 6, 7, and 8, ofgraduated size. I also provide an emery wheel 9 and a file 10. Each ofthe aforesaid cutters is mounted on the outer end of a horizontal shaft11 journaled in the carriage D and provided at its inner end with onemember as 12, of a clutch, the opposite member 13 of which is carried bythe adjacent end of the drive shaft B. The emery wheel 9 is likewisecarried at the outer end of a shaft 14, and the file at the front end ofthe shaft 15. The shafts 11, 14 and 15 are normally held in retractedposition by the coil spring 16. The drive shaft B is also held inretracted positionby the coil spring 17. In practice, any one of the 6,1926; Serial No. 86,495.

cutters or tools may be brought into play merely by turning the carriageD until the shaft of the corresponding cutter or tool is in line orregistration with the drive shaft. The drive shaft is then extendedor'projected by means of the handle 18 against the tension of the coilspring 17, and this operation likewise projects the aforesaid shaft 11as indicated in Figure 2 when the desired cutting or trimming of theedge of the shoe sole may be performed. The handle 18 is carried by thesleeve 18, which is rotatable with respect to the shaft B, butstationary with regard to lengthwise movement.

The drive shaft is held in projected position by spring pressed bolt 19,the inner edge of which engages an annular groove or recess 7 20 formedin the outer end of the drive shaft. It will also be noted that the ballor knob of the handle 18 fits in the corresponding socket 20 in thehandle or ball 21 which assists in holding the drive shaft in extendedor pro jected position and the corresponding cutter or tool likewise inextended or projected position against the action or tension of the coilspring 17.

A sharpening wheel 22 is carried by the outer end of the drive shaft Band is used for sharpening the teeth of the cutters, as required.

From the foregoing description taken in connection with the drawings itis thought that the construction, operation and advantages of myinvention will be readily understood without requiring a. more extendedexplanation.

Various changes in the form are proposed and minor details ofconstruction may be made without departing from the principle orsacrificing any of the advantages of this invention. as defined in theappended claims.

Having described my invention, what I claim as new and desire to secureby Letters Patent, is:

1. In a machine of the character specified, a supporting frame, a driveshaft mounted therein, a second shaft journaled in said frame below thedrive shaft, a rotatable carriage keyed to said second shaft, a seriesof sleeves mounted on said carriage in a circle concentric to the secondshaft, a series of cutter shafts each reciprocable in a respec tivesleeve for protraction and retraction and adapted for selectivealinement with the first shaft, springs surrounding said cutter shaftsand urging them to retracted position,

16 the first shaft, springs surrounding said cutter shafts and urgingthem to retracted position, clutch elements on the rear end of eachcutter shaft and on the front end of the first shaft arranged forcooperative engagement, said first shaft being slidable longitudinallyin the supporting frame to engage the clutch element on the first shaftwith a respective clutch element on a cutter shaft and move the cuttershaft to protracted position, and spring means urging the first shaftrearwardly away from the carriage to disengage said clutches.

In testimony whereof I aflix my signature.

ALI HADI.

